sentry
🇺🇸
/ˈsentri/
🇬🇧
/ˈsentri/
noun
R
someone who stands guard or watches over something
The sentry stood at the door, making sure only allowed people could enter.
哨兵站在門口，確保只有被允許的人能進入。
translation
哨兵
詞形變化
Plural
sentries